Solved Can't access 127.0.0.1:8000


geoB

geoB

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I'm trying to fiddle with Symfony's CMS sulu. Took a few extra steps but finally got it installed. Documentation says that access to the app is `127.0.0.1:8000`. But I just can't get Chrome to take me there. Environment: Apache/2.4.62, PHP 8.4.15.

Here's what I've tried so far:

`etc\host` has `127.0.0.1`. There are a few other apps listed with that, but they all behave as expected. Trying `http://127.0.0.1` launches the first entry in `httpd-vhosts.conf`.

With suffix `:8000`, Chrome says "127.0.0.1 refused to connect."

Created firewall rules for port 8000, both TCP & UDP. No change.

`netstat -ano | findstr :80` & `tasklist /fi "PID eq [PID_number]"` showed only Apache process (PID_number).
 
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Windows 11 Pro, Version 25H2, Build 26200.7462

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???

1.webp

2.webp
 

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@abactuon Could you kindly be more explicit? It's not at all clear what you are suggesting.
 

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    Intel(R) Core(TM) Ultra 7 265 2.40 GHz
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I had the same problem two days ago. I could access localhost fine, I could ping 127.0.0.1, but no browser could reach it. Tinkered with all kinds of TCP/IP settings, the hosts file, etc.; nothing worked. I think it's a bad Windows update. I did a system restore to a state a week ago and that fixed it.
 

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@bar_foo Were you able to access before? I don’t have the luxury of prior success. May have to try to make some sense out of proxy.
 

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Yes, two apps that I'd been using for years that depended on it suddenly stopped working.
 

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Nov 2025's Monthly Update fixed a problem introduced by Oct 2025, which broke loopback (localhost) calls over HTTP. Check to see if you're current on updates.
 

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I'm abandoning efforts to experiment with sulu. When I worked around the port issues I ran into issues with the sulu code itself. Just not up for tracking those down. Calling the question resolved.
 

My Computer

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    Windows 11 Pro
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    Dell Slim ECS1250
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    Intel(R) Core(TM) Ultra 7 265 2.40 GHz
    Memory
    16.0 GB
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    Intel Graphics
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    HP Pavilion 20xi
Tenacity. I kept poking around, trying to make sense out of sulu's documentation. Just for the h*** of it, instead of trying to use `127.0.0.1:8000` (which would never connect) I tried `localhost:8000` and BINGO! Access was gained. Documentation, however, remains relatively opaque. But issue is now resolved (in my head).
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Slim ECS1250
    CPU
    Intel(R) Core(TM) Ultra 7 265 2.40 GHz
    Memory
    16.0 GB
    Graphics Card(s)
    Intel Graphics
    Monitor(s) Displays
    HP Pavilion 20xi
And the reason why 127... failed is because the instructions said to use localhost:8000.... in the command to start a PHP website. And then use 127.etc. to access the website. As though 127.0.0.1 and localhost were equivalent. Not always so. Live & learn.
 
Last edited:

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Slim ECS1250
    CPU
    Intel(R) Core(TM) Ultra 7 265 2.40 GHz
    Memory
    16.0 GB
    Graphics Card(s)
    Intel Graphics
    Monitor(s) Displays
    HP Pavilion 20xi
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